Michael C. Mahon

Mercy

2026

Wall Street

1987

Gridiron Gang

2006

Malcolm X

1992

Gangster Squad

2013

Sleepaway Camp

1983

Get a Job

2016

Fatal Affair

2020

Ominous

2015

His Secret Past

2016

Oblivion 2: Backlash

1996

Christmas Twister

2012

Chameleons

1989

The Flight Before Christmas

2015

A Tale of Two Coreys

2018

Law & Order

1990

Law & Order

1990

How I Met Your Mother

2005

ER

1994

Married... with Children

1987

Private Practice

2007

Boston Legal

2004

Scandal

2012

Las Vegas

2003

Las Vegas

2003

Diagnosis: Murder

1993

The King of Queens

1998

The King of Queens

1998

The Orville

2017

Lois & Clark: The New Adventures of Superman

1993